ABS and PET Plastic;Frame holds one 4″ x 6″ photo; Power/Technology: Rechargeable Lithium polymer battery; Capacity: 500 mAh/37V; Frequency Response: 2400GHz-2480Ghz; Wireless V21 + EDR; Transmission Range: 26 to 32 feet (8 to 10m); Features LED indicator light; Compatible with most wireless devices May also be used with 35mm audio cable; For indoor use only; Includes charging cable and instructions; CE and FCC approved; Product Size: 4.875″ w x 6.875″ h x 1.125″ d; Shipping available to contiguous U.S. addresses and Canada via Ground only. Cannot ship via Air, Internationally or to Alaska, Hawaii, Puerto Rico and any other small U.S. island territory.;